function IsPC() {
      var userAgentInfo = navigator.userAgent;
      var Agents = ["Android", "iPhone",
            "SymbianOS", "Windows Phone",
            "iPad", "iPod"];
      var flag = true;
      for (var v = 0; v < Agents.length; v++) {
        if (userAgentInfo.indexOf(Agents[v]) > 0) {
          flag = false;
          break;
        }
      }
      return flag;
}




    